package app.common;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

public class PropertyUtil {

	private static final Map targetMap = new HashMap();

	public static int size() {
		return targetMap.size();
	}

	public static boolean isEmpty() {
		return targetMap.isEmpty();
	}

	public static boolean containsKey(Object key) {
		return targetMap.containsKey(key);
	}

	public static boolean containsValue(Object value) {
		return targetMap.containsValue(value);
	}

	public static Object put(Object key, Object value) {
		return targetMap.put(key, value);
	}

	public static Object remove(Object key) {
		return targetMap.remove(key);
	}

	public static void putAll(Map t) {
		targetMap.putAll(t);
	}

	public static void clear() {
		targetMap.clear();
	}

	public static Set keySet() {
		return targetMap.keySet();
	}

	public static Collection values() {
		return targetMap.values();
	}

	public static Set entrySet() {
		return targetMap.entrySet();
	}

	public static Object get(Object key) {
		Object value = targetMap.get(key);
		return value;
	}

}
